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Finding the Fourth Proportional to 1,495.16, 2,242.74 and 469.16

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Solution

The fourth proportional to 1,495.16, 2,242.74 and 469.16 is: 703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.16 : 2,242.74 = 469.16 : x
  2. Step 2: Convert to fraction form
    1,495.16/2,242.74 = 469.16/x
  3. Step 3: Cross multiply
    1,495.16x = 2,242.74 × 469.16
  4. Step 4: Simplify right side
    1,495.16x = 1,052,190.34
  5. Step 5: Solve for x
    x = 1,052,190.34/1,495.16
  6. Step 6: Final answer
    x = 703.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.